European defense stocks took a hit on Monday, continuing their downward trend as Ukraine and the U.S. made significant strides in peace negotiations over the weekend. The Stoxx Europe Aerospace and Defense index saw a 0.7% decline during morning trading, building on the 3.4% drop from the previous day. This negative sentiment rippled through the market, with German defense giants Rheinmetall, Hensoldt, and Renk shedding around 4% of their value by 8:45 a.m. London time, and Sweden's Saab following suit with a 3% fall. Despite the progress, the U.S. and Ukraine acknowledged that no concrete agreement on security guarantees for Ukraine was reached during the talks, which included U.S. Secretary of State Marco Rubio. The joint statement released by both nations described the consultations as 'highly productive', but analysts had initially expressed skepticism about Ukraine's support for a peace plan perceived as favorable to Russia. This breaking news highlights the complex dynamics in the region, leaving investors and observers alike awaiting further developments.